配料组成 meaning in English

batch composition
burden composition

It is well known that there exists a composition triangle in phase diagram for ternary system of al2o3 - sio2 - zno , responding to three high temperature phases of corundum , mullite and gahnite . through control of chemical composition and technical process , it is possible to synthesize corundum - mullite - gahnite multiphase materials theoretically
在al _ 2o _ 3 - sio _ 2 - zno三元系中，存在着一个对应刚玉、莫来石和锌铝尖晶石三物相的分三角形，在适当的配料组成和工艺条件下，是能够合成出刚玉?莫来石?锌铝尖晶石复相材料。